RTA Guide/Red Coins on the Floating Isle
Red Coins on the Floating Isle is the fourth mission in Whomp's Fortress.
With 100 Coins
If you feel that you are too slow to get the extra coins with the turnaround above the wild blue star and still make the cycle, skip those coins and get all the coins on the spinning platform above the thwomp, as shown in the advanced video below.
Missed Red Coin Backup
If you miss the first red coin, you can still get all the same coins in the route while only missing half a cycle of the wooden platform
Half Cycle Skip Beginning